import matplotlib.pyplot as plt

plt.style.use("seaborn-v0_8-dark-palette")
fig, ax = plt.subplots()
#ax.scatter(2, 4)
# 设置数据点显示大小 s=200
ax.scatter(2, 4, s=200)
# 设置图表标题并给坐标轴加上标签
ax.set_title("Square Number", fontsize=24)
ax.set_xlabel("Value", fontsize=14)
ax.set_ylabel("Square Of Value", fontsize=14)

# 设置坐标轴刻度大小
ax.tick_params(axis='both', which='major', labelsize=14)

plt.show()